Oct 12 20:00:38.881 INFO checking jamwaffles/rust-into-tree against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 20:00:38.881 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 20:00:39.348 INFO blam! c6b2b760231032ebe1bc28ca66376d748b940ca3b421515a4cba17a8c4922d22
Oct 12 20:00:39.351 INFO running `"docker" "start" "-a" "c6b2b760231032ebe1bc28ca66376d748b940ca3b421515a4cba17a8c4922d22"`
Oct 12 20:00:40.512 INFO kablam! usermod: no changes
Oct 12 20:00:40.560 INFO kablam!     Checking recurse-test v0.1.0 (/source)
Oct 12 20:00:41.280 INFO kablam! warning: function is never used: `mutablething`
Oct 12 20:00:41.280 INFO kablam!   --> src/main.rs:17:1
Oct 12 20:00:41.280 INFO kablam!    |
Oct 12 20:00:41.280 INFO kablam! 17 | fn mutablething() {
Oct 12 20:00:41.280 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Oct 12 20:00:41.280 INFO kablam!    |
Oct 12 20:00:41.280 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 20:00:41.280 INFO kablam! 
Oct 12 20:00:41.280 INFO kablam! warning: function is never used: `secondmutablething`
Oct 12 20:00:41.280 INFO kablam!   --> src/main.rs:37:1
Oct 12 20:00:41.280 INFO kablam!    |
Oct 12 20:00:41.280 INFO kablam! 37 | fn secondmutablething(mut thing: &mut Vec<i32>) -> Context {
Oct 12 20:00:41.280 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:00:41.280 INFO kablam! 
Oct 12 20:00:41.280 INFO kablam! warning: function is never used: `guard`
Oct 12 20:00:41.280 INFO kablam!   --> src/main.rs:56:1
Oct 12 20:00:41.280 INFO kablam!    |
Oct 12 20:00:41.280 INFO kablam! 56 | fn guard(data: &Vec<i32>) -> Context {
Oct 12 20:00:41.281 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:00:41.281 INFO kablam! 
Oct 12 20:00:41.388 INFO kablam! warning: function is never used: `mutablething`
Oct 12 20:00:41.388 INFO kablam!   --> src/main.rs:17:1
Oct 12 20:00:41.388 INFO kablam!    |
Oct 12 20:00:41.388 INFO kablam! 17 | fn mutablething() {
Oct 12 20:00:41.388 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Oct 12 20:00:41.388 INFO kablam!    |
Oct 12 20:00:41.388 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 20:00:41.388 INFO kablam! 
Oct 12 20:00:41.388 INFO kablam! warning: function is never used: `secondmutablething`
Oct 12 20:00:41.388 INFO kablam!   --> src/main.rs:37:1
Oct 12 20:00:41.388 INFO kablam!    |
Oct 12 20:00:41.388 INFO kablam! 37 | fn secondmutablething(mut thing: &mut Vec<i32>) -> Context {
Oct 12 20:00:41.388 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:00:41.388 INFO kablam! 
Oct 12 20:00:41.388 INFO kablam! warning: function is never used: `guard`
Oct 12 20:00:41.388 INFO kablam!   --> src/main.rs:56:1
Oct 12 20:00:41.388 INFO kablam!    |
Oct 12 20:00:41.388 INFO kablam! 56 | fn guard(data: &Vec<i32>) -> Context {
Oct 12 20:00:41.388 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:00:41.388 INFO kablam! 
Oct 12 20:00:41.424 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Oct 12 20:00:41.440 INFO kablam! su: No module specific data is present
Oct 12 20:00:42.337 INFO running `"docker" "rm" "-f" "c6b2b760231032ebe1bc28ca66376d748b940ca3b421515a4cba17a8c4922d22"`
Oct 12 20:00:42.662 INFO blam! c6b2b760231032ebe1bc28ca66376d748b940ca3b421515a4cba17a8c4922d22